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SW180AB-51 Albright Single-acting Solenoid Contactor 48V Intermittent

SW180AB-51 Albright Single-acting Solenoid Contactor 48V Intermittent
SW180AB-51 Albright Single-acting Solenoid Contactor 48V Intermittent
SW180AB-51 Albright Single-acting Solenoid Contactor 48V Intermittent
SW180AB-51 Albright Single-acting Solenoid Contactor 48V Intermittent
£66.00 Excl. VAT
(£79.20 Inc. VAT)
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No stock
Bar Code
Part Number
48V DC
Coil type
650 g

 Pre-orders and back-ordering are available for all Albright brand out-of-stock items, with a current lead time of approximately 8 to 10 weeks despatch.

  • Ordering more Albright brand products than is shown in stock will put your order into a backorder process.
  • Request "Ship all available" in the order comments section if you order more units than are available.

 Telephone: +44 (0) 1924 823119 or Email us to discuss further requirements.

 Albright SW180AB-51 single-acting 48Vdc 150 Amps contactor with auxiliary microswitch and magnetic blowouts, intermittent.

  • The SW180AB contactors have been designed for direct current loads, particularly motors used on small electric vehicles such as industrial trucks, airport tractors, etc. They have double-breaking contacts with Silver-alloy contact tips, which are weld-resistant, hardwearing and have excellent conductivity.
  • The contactors are compact and fully serviceable, with various spare parts available.
  • Repair contact kit part number: 2180-42.
  • Auxiliary switch kit part number: 2180-796.
  • Mounting bracket available: 2159-47.

Additional Characteristics of Standard SW180's

  • Magnetic blowouts.
  • Auxiliary microswitch.


  • Height, including switch and coil base cap: 127mm.
  • Coil width: 45mm.
  • Cap width: 61mm.
  • Cap depth: 45mm.

Magnetic Blowouts

 These contactors are of double break configuration and are fitted with magnetic blowouts (denoted by the 'B' suffix in the SW180AB range) across both contact gaps. These enable high currents to be ruptured very quickly so that arcing time is reduced to a minimum. The fitting of blowouts makes the contacts polarity sensitive, and the positive markings on the top cover of the contactor must be observed.

About Intermittent (Int.) SW180AB Solenoids

 Intermittent contactors, by design, are predominantly used for hydraulic functions on vehicles; they make and break quicker than continuous solenoids and are not recommended for prolonged contact periods.

 The SW180AB has been designed for direct current loads, including motors on electric vehicles such as industrial trucks. Developed for both interrupted and uninterrupted loads, the SW180B is suitable for switching Resistive, Capacitive and Inductive loads.

 The SW180AB features single-pole, single-throw, double-breaking main contacts with Silver-alloy tips, which are weld-resistant, hardwearing and have excellent conductivity. The SW180B has M8 stud main terminals and 6.3mm spade coil connections. It can be mounted via M5 tapped holes or steel mounting brackets (supplied as separate items). Mounting can be horizontal or vertical. When vertical, the M8 contact studs should point upwards.

Interrupted Current: The opening and closing on load with frequent switching (resulting in increased contact resistance).
Uninterrupted Current: No or infrequent load switching requirements (maintains a lower contact resistance).


Device Type NO - SP - ST
Voltage 48V D.C.
Coil Type Intermittent
Amps 150 Amps
Coil Resistance (Ohms) 73
Pull-In Voltage (V) 29.0 Max.
Drop Out Voltage (V) 12.0 Max.
Coil Power Dissipation (W) 31.56
Typical Pull-In Time 30ms
Typical Voltage Drop Per Pole
Across New Contacts At 100A
Operating Ambient Temperature -40 to +60℃
Weight 690g
Application Uninterrupted
Thermal Current Rating 150A
Intermittent Current Rating:
30% Duty 275A
40% Duty 240A
50% Duty 225A
60% Duty 200A
70% Duty 180A


UK Mainland Postage

Delivery Options Our Free UK Mainland Postage and Packaging Service offers unbeatable value for money. The free UK Standard shipping is automatically applied to your shopping cart page with no additional cost when you reach the £50.00 minimum order value.

 We use Royal Mail Standard or Recorded Delivery for light, low-value orders and we use FedEx, UPS, Parcel Force, and other major courier services for larger and more valuable consignments.

International Consignments

 Our international customers will need to provide the exact Card Holder Address (Invoicee) as the first address for payment processing. Please note that PO Box addresses are not acceptable as delivery addresses by some couriers. All export orders must be placed and paid for online. Proforma Bank Transfer IBAN and SWIFT payment methods are available to create online.

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